AR069401A1 - METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT IN A UREA SYNTHESIS PROCEDURE - Google Patents
METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT IN A UREA SYNTHESIS PROCEDUREInfo
- Publication number
- AR069401A1 AR069401A1 ARP080105070A ARP080105070A AR069401A1 AR 069401 A1 AR069401 A1 AR 069401A1 AR P080105070 A ARP080105070 A AR P080105070A AR P080105070 A ARP080105070 A AR P080105070A AR 069401 A1 AR069401 A1 AR 069401A1
- Authority
- AR
- Argentina
- Prior art keywords
- aqueous solution
- phase
- gas stream
- urea synthesis
- strong base
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
- B01D53/326—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 in electrochemical cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Abstract
La presente se refiere a un procedimiento para la recuperacion de amoníaco contenido en una corriente gaseosa de purga producida en un procedimiento de síntesis de urea, que comprende las siguientes fases: a) someter la corriente gaseosa de purga a un lavado con una solucion acuosa ácida, a un pH que oscila entre 1 y 6, con la formacion de una primera corriente gaseosa purificada y una solucion acuosa que contiene una sal de amonio; b) someter la solucion acuosa que contiene la sal de amonio proveniente de la fase a) a desorcion, después de tratamiento con una base fuerte, a una temperatura que oscila entre 50 y 250°C y una presion que oscila entre 1 y 40 bar absoluto, con la formacion de una segunda corriente gaseosa que comprende NH3, H2O y posiblemente CO2 y una solucion que contiene una sal del cation de dicha base fuerte; c) someter la solucion que contiene la sal del cation de la base fuerte proveniente de la fase b) a un Procedimiento Electroquímico de Membrana (PEM) con la formacion de una solucion acuosa del ácido usado en la fase a), una solucion acuosa de la base usada en la fase b) y posiblemente una solucion acuosa diluida de la sal del cation de la base fuerte; d) reciclar dicha solucion acuosa del ácido y la solucion acuosa de la base a la fase a) y a la fase b), respectivamente, y reciclar dicha segunda corriente gaseosa proveniente de la fase b) al procedimiento de síntesis de urea. También se describe el equipo relacionado.This refers to a procedure for the recovery of ammonia contained in a purge gas stream produced in a urea synthesis process, which comprises the following phases: a) subjecting the purge gas stream to a wash with an acidic aqueous solution , at a pH ranging from 1 to 6, with the formation of a first purified gas stream and an aqueous solution containing an ammonium salt; b) subject the aqueous solution containing the ammonium salt from phase a) to desorption, after treatment with a strong base, at a temperature ranging between 50 and 250 ° C and a pressure ranging from 1 to 40 bar absolute, with the formation of a second gas stream comprising NH3, H2O and possibly CO2 and a solution containing a cation salt of said strong base; c) subjecting the solution containing the salt of the cation of the strong base from phase b) to an Electrochemical Membrane Procedure (PEM) with the formation of an aqueous solution of the acid used in phase a), an aqueous solution of the base used in phase b) and possibly a dilute aqueous solution of the cation salt of the strong base; d) recycle said aqueous solution of the acid and the aqueous solution of the base to phase a) and phase b), respectively, and recycle said second gas stream from phase b) to the urea synthesis process. The related equipment is also described.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT002206A ITMI20072206A1 (en) | 2007-11-21 | 2007-11-21 | METHOD FOR THE RECOVERY OF AMMONIA FROM A GAS CURRENT IN A PROCESS OF SYNTHESIS OF UREA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR069401A1 true AR069401A1 (en) | 2010-01-20 |
Family
ID=40314736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP080105070A AR069401A1 (en) | 2007-11-21 | 2008-11-21 | METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT IN A UREA SYNTHESIS PROCEDURE |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8293201B2 (en) |
| EP (1) | EP2214811B1 (en) |
| CN (1) | CN101918115B (en) |
| AR (1) | AR069401A1 (en) |
| BR (1) | BRPI0819277A2 (en) |
| CA (1) | CA2705927A1 (en) |
| EG (1) | EG26743A (en) |
| IT (1) | ITMI20072206A1 (en) |
| RU (1) | RU2490056C2 (en) |
| SA (1) | SA08290739B1 (en) |
| WO (1) | WO2009065534A1 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201032887A (en) * | 2009-01-13 | 2010-09-16 | Saipem Spa | Process for the recovery of ammonia from a gaseous stream |
| IT1395127B1 (en) * | 2009-07-30 | 2012-09-05 | Saipem Spa | PROCEDURE FOR THE RECOVERY OF AMMONIA FROM A GAS CURRENT |
| IT1395383B1 (en) | 2009-09-09 | 2012-09-14 | Saipem Spa | METHOD OF SEPARATION OF AMMONIACA AND CARBON DIOXIDE FROM AQUEOUS SOLUTIONS |
| EP2386346A1 (en) * | 2010-05-11 | 2011-11-16 | Stamicarbon B.V. | Process for the reduction of ammonia emissions in a urea manufacturing process |
| RO131559A2 (en) * | 2011-11-23 | 2016-12-30 | Farid Alekovich Batullin | Method for preparing crystalline carbamide of high purity |
| EP2662349A1 (en) | 2012-05-08 | 2013-11-13 | Uhde Fertilizer Technology B.V. | Urea granulation process with scrubbing system |
| EP2690089A1 (en) * | 2012-07-25 | 2014-01-29 | Urea Casale SA | Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant. |
| JP6067736B2 (en) * | 2012-12-03 | 2017-01-25 | アレコヴィッチ バツリン、ファリッド | Method for producing high purity crystalline carbamide |
| EP3016731B1 (en) | 2013-07-05 | 2018-01-17 | Stamicarbon B.V. | Removal of dust in urea finishing |
| CN105916838B (en) * | 2013-11-15 | 2019-04-09 | 斯塔米卡邦有限公司 | The method of soluble particles is removed for the device and method from gas stream arrested particles and from gas |
| EP3473324B1 (en) | 2014-03-10 | 2022-09-28 | SAIPEM S.p.A. | Recovery method for processing a gas stream from a urea plant solidification unit |
| ES2705408T3 (en) * | 2014-05-09 | 2019-03-25 | Saipem Spa | System and method for cleaning a gas stream from a solidification unit of urea plant |
| CN106145488A (en) * | 2014-09-29 | 2016-11-23 | 财团法人工业技术研究院 | Ammonia nitrogen recovery equipment and multi-section ammonia nitrogen wastewater treatment system |
| EP3020702A1 (en) * | 2014-11-12 | 2016-05-18 | Casale SA | Urea finishing process with acid scrubbing |
| EP3224223B1 (en) * | 2014-11-27 | 2019-04-24 | Stamicarbon B.V. | Method and plant for producing urea-ammonium nitrate (uan) |
| US9644515B2 (en) | 2015-03-24 | 2017-05-09 | Cummins Emission Solutions, Inc. | Gaseous ammonia injection system |
| EP3075725A1 (en) * | 2015-03-30 | 2016-10-05 | Casale SA | Sonication in a urea or melamine synthesis process |
| CN104787779B (en) * | 2015-04-08 | 2016-09-21 | 成都丽凯手性技术有限公司 | The ammonia recovery system produced for PHBA and recovery method |
| CN105344208A (en) * | 2015-11-23 | 2016-02-24 | 河南心连心化肥有限公司 | Urea synthetic gas absorption recirculation apparatus and recirculation method thereof |
| EP3366670A1 (en) * | 2017-02-27 | 2018-08-29 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
| CN107759493A (en) * | 2017-09-28 | 2018-03-06 | 刘金成 | A kind of method of free ammonia in removal carbamide dust |
| JP6949693B2 (en) * | 2017-12-08 | 2021-10-13 | 東洋エンジニアリング株式会社 | Treatment method and treatment equipment for aqueous solutions containing urea, ammonia and carbon dioxide |
| GB2576518B (en) * | 2018-08-21 | 2022-09-21 | Process Ltd | Systems and methods for removing ammonia from an ammonia-containing liquid |
| CN110496516A (en) * | 2019-09-24 | 2019-11-26 | 福建龙净环保股份有限公司 | A kind of urea prilling tower removes ammonia system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2056408C1 (en) * | 1991-10-23 | 1996-03-20 | Уриа Казале С.А. | Method of urea hydrolysis containing in spent water from plants of urea synthesis and column apparatus for its realization |
| US5645703A (en) | 1995-12-20 | 1997-07-08 | University Of Chicago | Electrodialysis-based separation process for salt recovery and recycling from waste water |
| GB0126458D0 (en) * | 2001-11-03 | 2002-01-02 | Accentus Plc | Ammonia removal |
| EP1695755A1 (en) | 2005-02-28 | 2006-08-30 | DSM IP Assets B.V. | Process and system for the removal of ammonia from an ammonia containing gas stream |
| DE102005033837B4 (en) * | 2005-07-20 | 2019-02-28 | Basf Se | Process for removing acidic gases and ammonia from a fluid stream |
-
2007
- 2007-11-21 IT IT002206A patent/ITMI20072206A1/en unknown
-
2008
- 2008-11-14 CN CN200880122449.8A patent/CN101918115B/en not_active Expired - Fee Related
- 2008-11-14 RU RU2010124196/05A patent/RU2490056C2/en active
- 2008-11-14 US US12/743,717 patent/US8293201B2/en active Active
- 2008-11-14 CA CA2705927A patent/CA2705927A1/en not_active Abandoned
- 2008-11-14 BR BRPI0819277-4A patent/BRPI0819277A2/en not_active IP Right Cessation
- 2008-11-14 EP EP08852627.2A patent/EP2214811B1/en not_active Not-in-force
- 2008-11-14 WO PCT/EP2008/009684 patent/WO2009065534A1/en active Application Filing
- 2008-11-19 SA SA8290739A patent/SA08290739B1/en unknown
- 2008-11-21 AR ARP080105070A patent/AR069401A1/en not_active Application Discontinuation
-
2010
- 2010-05-19 EG EG2010050825A patent/EG26743A/en active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2490056C2 (en) | 2013-08-20 |
| CA2705927A1 (en) | 2009-05-28 |
| CN101918115B (en) | 2014-08-13 |
| ITMI20072206A1 (en) | 2009-05-22 |
| BRPI0819277A2 (en) | 2015-05-19 |
| EG26743A (en) | 2014-07-15 |
| EP2214811A1 (en) | 2010-08-11 |
| US20110091369A1 (en) | 2011-04-21 |
| EP2214811B1 (en) | 2015-01-07 |
| RU2010124196A (en) | 2011-12-27 |
| CN101918115A (en) | 2010-12-15 |
| US8293201B2 (en) | 2012-10-23 |
| WO2009065534A1 (en) | 2009-05-28 |
| SA08290739B1 (en) | 2012-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AR069401A1 (en) | METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT IN A UREA SYNTHESIS PROCEDURE | |
| CU23903B1 (en) | PROCESS AND EQUIPMENT FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT | |
| HK1133223A1 (en) | Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide | |
| JP6303186B2 (en) | Circulation method for producing taurine | |
| BR112015025661A2 (en) | absorption medium provided for absorbing hydrogen sulfide from an acid gas or gas mixture, process for producing the absorption medium and process and apparatus for performing the process for absorbing hydrogen sulfide from an acid gas | |
| AR077337A1 (en) | PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS CURRENT | |
| BRPI0506554A (en) | recovery of organic acids | |
| TR199901306T2 (en) | Method for removing carbon dioxide from a synthetic gas. | |
| PE20142379A1 (en) | METHOD AND APPARATUS FOR THE PRODUCTION OF UREA FROM AMMONIA AND CARBON DIOXIDE | |
| MY153854A (en) | Process for the removal of carbon dioxide from a gas | |
| WO2012036946A3 (en) | Removal of non-volatiles from ammonia - based c02 -absorbent solution | |
| AR086313A1 (en) | HIGH PERFORMANCE PROCEDURE FOR UREA SYNTHESIS | |
| RU2011116898A (en) | METHOD FOR PRODUCING HIGH PURE MELAMINE WITH LOW ENERGY CONSUMPTION BY UREA PYROLYSIS AND EQUIPMENT FOR IMPLEMENTING THIS METHOD | |
| PL420589A1 (en) | Method for recovery of carbon dioxide in order to enrich gas streams used in production of sodium carbonate and sodium hydrocarbonate by Solvay method | |
| EP2581342A3 (en) | Method for the production of fertilizer and CO2 | |
| UA91363C2 (en) | Process for urea production and related plant, revamping method of a pre-existing plant | |
| EA201290122A1 (en) | The method of separation of ammonia and carbon dioxide from aqueous solutions | |
| NO20080768L (en) | Process for Preparation of 5-Aminolevulinic Acid Hydrochloride | |
| BRPI0520094A2 (en) | process and installation for urea production | |
| SA519401376B1 (en) | A Process for Nitric Acid Production | |
| EP1188710A3 (en) | Process for the integrated preparation of ammonia and urea | |
| NO20074155L (en) | Sulfuric acid recovery | |
| BR112019000856B1 (en) | PROCESS FOR PURIFICATION OF MELAMINE | |
| BR112018007423A2 (en) | process for obtaining a synthesis gas by reforming a hydrocarbon and including recovering carbon dioxide at high temperature | |
| AR065124A1 (en) | PROCESS FOR THE SELECTIVE REMOVAL OF WATER AND THE IMPURITIES OF N- (PHOSPHONOMETIL) GLYCINE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant, registration | ||
| FD | Application declared void or lapsed, e.g., due to non-payment of fee |